rm openapi.yaml and rm command from python.yml

Author: wkoszek

.github/workflows/python.yml

@@ -1,8 +1,3 @@
-# NOTE: This file is auto generated by OpenAPI Generator.
-# URL: https://openapi-generator.tech
-#
-# ref: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
-
 name: bsubio Python package
 
 on: [push, pull_request]